Score the rank of Gold in all the challenge missions.
Destroy an enemy Command Center, Hatchery, or Nexus while it is under construction in an Unranked or Ranked game.
Play enough qualifying games to get placed in a Matchmaking Ranked League.
Attack for 20 seconds with no counterattacks in an Unranked or Ranked game.
Deplete 10 Rich Mineral Fields in a single Melee game.